let Socket = ''
let setIntervalWesocketPush = null
let createInter = null
import { getInfo } from '@/utils/auth'
/**
 * 建立websocket连接
 * @param {string} url ws地址
 */
export const createSocket = () => {
  console.log('url，，，建立websocket连接', 'proccess:', document.location.host)
  Socket && Socket.close()
  if (!Socket) {
    const id = getInfo() && JSON.parse(getInfo()).user.userId
    console.log(id, '建立websocket连接')
    if (!id) {
      createInter = setInterval(() => {
        Socket && Socket.close()
        console.log('id为undefined----连接失败重连中')
        Socket = null
        createSocket()
      }, 3000)
    } else {
      console.log('id存在----连接失败重连中')
      clearInterval(createInter)
      console.log(wsUrl, 'wsUrl')
      Socket = new WebSocket(`${wsUrl}websocket/${id}`)
      // Socket = new WebSocket(`ws://192.168.1.108:8777/websocket/${id}`)
      Socket.onopen = onopenWS
      Socket.onmessage = onmessageWS
      Socket.onerror = onerrorWS
      Socket.onclose = oncloseWS
    }
  } else {
    console.log('websocket已连接')
  }
}

/** 打开WS之后发送心跳 */
const onopenWS = () => {
  sendPing()
}

/** 连接失败重连 */
const onerrorWS = () => {
  Socket.close()
  clearInterval(setIntervalWesocketPush)
  console.log('连接失败重连中')
  if (Socket.readyState !== 3) {
    Socket = null
    createSocket()
  }
}

/** WS数据接收统一处理 */
const onmessageWS = e => {
  window.dispatchEvent(new CustomEvent('onmessageWS', {
    detail: {
      data: e.data
    }
  }))
}

/**
 * 发送数据但连接未建立时进行处理等待重发
 * @param {any} message 需要发送的数据
 */
// const connecting = message => {
//   setTimeout(() => {
//     if (Socket.readyState === 0) {
//       connecting(message)
//     } else {
//       Socket.send(JSON.stringify(message))
//     }
//   }, 1000)
// }

/**
 * 发送数据
 * @param {any} message 需要发送的数据
 */
// export const sendWSPush = message => {
//   if (Socket !== null && Socket.readyState === 3) {
//     Socket.close()
//     createSocket()
//   } else if (Socket.readyState === 1) {
//     Socket.send(JSON.stringify(message))
//   } else if (Socket.readyState === 0) {
//     connecting(message)
//   }
// }

/** 断开重连 */
const oncloseWS = () => {
  clearInterval(setIntervalWesocketPush)
  console.log('websocket已断开....正在尝试重连')
  if (Socket && Socket.readyState !== 2) {
    Socket = null
    createSocket()
  }
}

// 断开
export const closeWs = () => {
  Socket && Socket.close()
  Socket = null
  clearInterval(setIntervalWesocketPush)
  clearInterval(createInter)
  console.log('websocket已断开....')
}

/** 发送心跳
 * @param {number} time 心跳间隔毫秒 默认5000
 * @param {string} ping 心跳名称 默认字符串ping
 */
export const sendPing = (time = 5000, ping = 'ping') => {
  clearInterval(setIntervalWesocketPush)
  Socket.send(ping)
  setIntervalWesocketPush = setInterval(() => {
    Socket.send(ping)
  }, time)
}
